[INFO] crate jwks-client 0.1.6 is already in cache
[INFO] checking jwks-client-0.1.6 against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] extracting crate jwks-client 0.1.6 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate jwks-client 0.1.6 on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate jwks-client 0.1.6
[INFO] finished tweaking crates.io crate jwks-client 0.1.6
[INFO] tweaked toml for crates.io crate jwks-client 0.1.6 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate jwks-client 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b8fa5397f9c7b930f6e8c0c9d1dbeadfc0f6893e982f2bb3c04739ba4a8f46b0
[INFO] running `"docker" "start" "-a" "b8fa5397f9c7b930f6e8c0c9d1dbeadfc0f6893e982f2bb3c04739ba4a8f46b0"`
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.20
[INFO] [stderr]     Checking jwks-client v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::alloc::System`
[INFO] [stderr]   --> src/keyset.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::alloc::System;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::alloc::System`
[INFO] [stderr]   --> src/keyset.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::alloc::System;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:342:9
[INFO] [stderr]     |
[INFO] [stderr] 342 |         key_store.load_keys_from(KEY_URL);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.73s
[INFO] running `"docker" "inspect" "b8fa5397f9c7b930f6e8c0c9d1dbeadfc0f6893e982f2bb3c04739ba4a8f46b0"`
[INFO] running `"docker" "rm" "-f" "b8fa5397f9c7b930f6e8c0c9d1dbeadfc0f6893e982f2bb3c04739ba4a8f46b0"`
[INFO] [stdout] b8fa5397f9c7b930f6e8c0c9d1dbeadfc0f6893e982f2bb3c04739ba4a8f46b0